Li, Kangzhi
Si, Lihong
Cui, Bin
Ling, Xia
Shen, Bo
Yang, Xu
Funding for this research was provided by:
Aerospace Center Hospital (YN201802)
Article History
First Online: 16 July 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This study was approved by the Ethics Committee of Peking University Aerospace School of Clinical Medicine, and all procedures performed in studies involving human participants were in accordance with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.